
export function downloadFile(stream, name, suffix = '.xls') {
  if (stream && name) {
    const blob =  new Blob([stream], { type: 'application/vnd.ms-excel;charset=utf-8' })
    const fullName = `${name + suffix}`
    // IE10+ 浏览器特殊处理 
    if (window.navigator.msSaveBlob) {
      window.navigator.msSaveBlob(blob, fullName)
    } else {
      const href = window.URL.createObjectURL(blob)
      let a = document.createElement('a')
      a.href = href
      a.download = fullName
      document.body.appendChild(a)
      a.click()
      window.URL.revokeObjectURL(href)
      document.body.removeChild(a)
    }
  }
}

